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Commit 4f7292c8 authored by Tathagata Das's avatar Tathagata Das
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[SPARK-18870] Disallowed Distinct Aggregations on Streaming Datasets 

## What changes were proposed in this pull request?

Check whether Aggregation operators on a streaming subplan have aggregate expressions with isDistinct = true.

## How was this patch tested?

Added unit test

Author: Tathagata Das <tathagata.das1565@gmail.com>

Closes #16289 from tdas/SPARK-18870.
parent 01e14bf3
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